1. Brand：W3101 W3102 W34 W1 W2
2. Content：W3 W34 W2 ： W≧99.929%
3. Character and usage W3101：twist wire; it has good character in high temperature and endurance. Second crystal temperature>=1950, mainly used as filament wire in halogen filament, high temperature color filament, twist filament, white filament and fluorescence filament. W3102：It has good character in roll and high temperature. Second crystal temperature>=1850, mainly used in white filament wire, vacuum tube heating wire. W34：used in twist wire W1、W2：Used as frame of vacuum tube, heating elements.
4. super thin white tungsten wire. Specs：Φ3-14μm
Usage: electronic watch, electronic computer, mini-bulb and other precision equipment manufacture. | 
